﻿#region Copyright & License

// Copyright © 2012 - 2015 François Chabot, Yves Dierick
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
// http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#endregion

using System.Diagnostics;
using System.Xml;
using System.Xml.XPath;

namespace Be.Stateless.BizTalk.Unit.Transform
{
	/// <summary>
	/// <see cref="IXPathNavigable"/> extensions methods.
	/// </summary>
	public static class XPathNavigable
	{
		/// <summary>
		/// Serialize an <see cref="IXPathNavigable"/> to disk, typically an <see cref="XPathNavigator"/> instance.
		/// </summary>
		/// <param name="document">The <see cref="IXPathNavigable"/> instance to serialize.</param>
		/// <param name="path">The file path where to serialized the <see cref="IXPathNavigable"/> instance.</param>
		public static void Save(this IXPathNavigable document, string path)
		{
			var objXPathNav = document.CreateNavigator();
			Debug.Assert(objXPathNav != null, "objXPathNav != null");
			var objXmlWriterSettings = new XmlWriterSettings { Indent = true };
			using (var objXmlWriter = XmlWriter.Create(path, objXmlWriterSettings))
			{
				objXPathNav.WriteSubtree(objXmlWriter);
				objXmlWriter.Close();
			}
		}
	}
}
